Canton Dam No.1
Key Takeaway
Canton Dam No.1 is classified as significant hazard in South Dakota. It was completed in 1977 and is 49 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 27 ft (taller than 71.8% in SD) |
| Dam Length | 455 ft |
| Dam Type | Earth |
| Max Storage | 159 acre-ft |
| Normal Storage | 68 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 821 cfs |
| Year Completed | 1977 (49 years old) |
| NID ID | SD02142 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
BRAD GOODROAD
Private
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Low Hazard 40 ftFrequently Asked Questions
What is the hazard classification of Canton Dam No.1?
Canton Dam No.1 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Canton Dam No.1?
Canton Dam No.1 is owned by BRAD GOODROAD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Canton Dam No.1 built?
Canton Dam No.1 was completed in 1977, making it 49 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Canton Dam No.1?
Canton Dam No.1 serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Canton Dam No.1?
Canton Dam No.1 has a dam height of 27 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Canton Dam No.1 last inspected?
Canton Dam No.1 was last inspected on November 13, 1979. Inspection dates indicate when a formal review occurred, not the results of that inspection.